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7 in 1 Swimming Pool Water Test Strips
7 in 1 Swimming Pool Water Test Strips
7 in 1 Swimming Pool Water Test Strips
7 in 1 Swimming Pool Water Test Strips

7 in 1 Swimming Pool Water Test Strips

Product Brochure:DOWNLOAD

  • Product Introduction

Product Introduction

Product Detail

Main Usage swimming pool, Spa water, hot tub
Accuracy 99%
Test scope and precision pH1-14
Testing range Total Hardness,Free Chlorine,Total Chlorine,Cyanuric Acid,Total Alkalinity,pH


1.Immerse the strip for 2 seconds and then remove the strip.

2.Do NOT shake excess water off, and compare against the color chart.

3.For GH,CL2,KH,pH,wait 15 seconds to read results,for NO2 and NO3,wait 60 seconds to read results.

1.Keep wet fingers out of the bottle.

2.Avoid touching or polluting the test area of strip.

3.Close cap tightly after removing strips.

4.For best result read in natural daylight.

5.Store in a cool dry place.

Company Profile

Qingdao Develop Chemistry Co. was established in 2005 in the coastal city of Qingdao, China. Owner and general manager Richard Hu has decades of experience with the chemicals used in the water treatment industry.We have specialized in water treatment and disinfectant chemicals for more than 20 years, providing products of excellent quality at a competitive and affordable price. We provide products of excellent quality and competitive price. The main products are Trichloroisocyanuric Acid (TCCA).Sodium Dichloroisocyanurate (SDIC), Cyanuric Acid(CYA).chlorine dioxide, etc.

Noted for our high quality products and professional service, we are a globalizing enterprise with clientele in 70 countries with promising and emerging markets in: France, Spain, Russia, Ukraine, Pakistan, Indonesia, Malaysia, Turkey, Vietnam and Brazil. In the past year, our company has sold more than 20,000 tons of products internationally.  With powerful product design, development and material purchase, good experience at production and product distribution, we will become stronger and stronger along with the market.

Strictly abiding the business concept of “honest & creditable business, harmonious development”, the company has perfected the service system and the quick-responding mechanisms to provide all-round services for before, middle and after sales. The company periodically organizes and dispatches production and technical staff to visit customers, who are always ready to provide you excellent, professional and all-round services.





Q: How long is your delivery time?

A: It generally takes 5-10 days if the goods are in stock, or 15-20 days if the goods are not,depending on the quantity ordered.
Do you provide samples? Does it cost extra to request one?
A: Yes, we could offer the sample for free by requests but are not responsible for the freight cost. If you have any other questions, please feel free to contact us.

Q: Can you support OEM /ODM?

A: Yes, we can make products as your request.
Q:How can I get some samples?
A: Please send us your address, we'll be happy to offer you samples.




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